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Artem Kalus 7Artem Kalus 7 

User Detail Page Error: URL No Longer Exists

Hi, I am a Mac user. When I open a user detail page, it loads fine for a couple of seconds and then, suddenly, I am getting "URL No Longer Exists" error in Firefox, Opera and Brave. I know that Salesforce officially does not support Opera or Brave, but since they are using Chromium I expect it to work just fine. Also, my colleague is using Brave and can view user detail page with no issues. This issue does not happen in Chrome, Edge and Safari.

Error message appears after a few seconds the user detail page has been loaded.

I tried resetting browsers and changing some cross-site cookies flags with no luck.

Lightning and classic both behave the same way.

Disabling the "Enable clickjack protection for customer Visualforce pages with headers disabled" in session settings fixes the problem, however, I am looking for some fix in the browser (Firefox, Opera, Brave), since we are an external consulting company for a big client and they must have enabled it for a reason.

Any help would be appreciated!
VinayVinay (Salesforce Developers) 
Hi Artem,

Check steps mentioned below for above error.

https://help.salesforce.com/s/articleView?id=000386234&type=1

Please mark as Best Answer if above information was helpful.

Thanks,